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VIDEO Chine 18 1/2in Tricone Rock Drill Bits 470mm PDC Drill Bit For Oil Gas Rock Breaking

18 1/2in Tricone Rock Drill Bits 470mm PDC Drill Bit For Oil Gas Rock Breaking

Type de coupe: Gii
Code IADC: S123
Type de carrosserie: Acier
VIDEO Chine 17.5inch 444mm Tricone Rock Drill Bits Steel Body Tricone Roller Bit 103 Cutters API

17.5inch 444mm Tricone Rock Drill Bits Steel Body Tricone Roller Bit 103 Cutters API

Type de coupe: Gii
Code IADC: S223
Type de carrosserie: Acier
Chine 16 Inch Tricone Rock Drill Bits API 7-1 Steel Body PDC Drilling Bits  68 Cutter 

16 Inch Tricone Rock Drill Bits API 7-1 Steel Body PDC Drilling Bits 68 Cutter 

Type de coupe: Gii
Code IADC: S123
Type de carrosserie: Acier
Chine 15 1/2in Tricone Rock Drill Bits 394mm 80 Cutter  Soft Formations

15 1/2in Tricone Rock Drill Bits 394mm 80 Cutter  Soft Formations

Type de coupe: Gii
Code IADC: S324
Type de carrosserie: Acier
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